Methods Used to Control Pollination of Pines in the Sierra Nevada of California PDF Download
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Author: W. C. Cumming
Publisher:
ISBN:
Category : Pine
Languages : en
Pages : 20
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Book Description
Author: W. C. Cumming
Publisher:
ISBN:
Category : Pine
Languages : en
Pages : 20
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Book Description
Author: W. C. Cumming
Publisher: Forgotten Books
ISBN: 9780265787632
Category : Science
Languages : en
Pages : 22
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Excerpt from Methods Used to Control Pollination of Pines in the Sierra Nevada of California In the transect of the Sierra Nevada from Sacramento through El Dorado County, Pin/us ponderosa occurs over an elevational range of approximately feet (100 feet). On comparable aspects, trees at low elevations mature their flowers earlier than do those at high elevations. Thus, pollen from trees at low elevations may be in the air several weeks before trees at higher elevations mature their ovulate flowers. Between feet and feet, there is a span of approximately 35 days over which P. Ponderosa sheds its pollen. Other species of pine behave similarly. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: W. C. Cumming
Publisher:
ISBN:
Category : Pine
Languages : en
Pages : 18
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Author: Harvey, Hartesveldt, Heath and Stanley, Inc
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 154
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Author: Elvera A. Axelton
Publisher:
ISBN:
Category : Ponderosa pine
Languages : en
Pages : 158
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Author: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 200
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 690
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 514
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Author: Richard H. Smith
Publisher:
ISBN:
Category : Bark beetles
Languages : en
Pages : 468
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Author:
Publisher:
ISBN:
Category : Forest genetics
Languages : en
Pages : 22
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